US4285751A - Method of forming an improved battery separator - Google Patents
Method of forming an improved battery separator Download PDFInfo
- Publication number
- US4285751A US4285751A US06/127,172 US12717280A US4285751A US 4285751 A US4285751 A US 4285751A US 12717280 A US12717280 A US 12717280A US 4285751 A US4285751 A US 4285751A
- Authority
- US
- United States
- Prior art keywords
- styrene
- filler
- thermoplastic
- elastomer
- thermoplastic rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0005—Acid electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/25—Metallic oxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
- Y10T428/24909—Free metal or mineral containing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Cell Separators (AREA)
Abstract
Description
TABLE I __________________________________________________________________________ Dendrite Modulus Elongation Thermoplastic Filler Modifier El. Resist. Resist. (psi × 10.sup.-3) (%) Sample Rubber (parts) (Parts) (Parts) (ohm-cm) (min/mil) Blank KOH Blank KOH __________________________________________________________________________ A 65 35 -- 39 20 3.3 8.4 950 540 B 36 64 -- 12 14 -- -- -- -- C 36 64.sup.1 -- 18 -- 16 56 530 -- D 29 63.sup.1 10.sup.2 56 -- 44 18 210 20 E 40 45 10.sup.3 9 24 4.6 14 780 80 F 30 60 10.sup.4 49 39 9.5 18 560 430 G 44 54 2.sup.5 85 27 27 29 100 60 __________________________________________________________________________ .sup.1 Two parts are carbon black surface area (N.sub.s SA) 230 m.sup.2 /gm, part. size (E.M.) 30 millimicron. .sup.2 Ethylene-propylene rubber (Vistalon 404). .sup.3 High density polyethylene, M. I..sub.2.sup. = O. .sup.4 Styrene/butadiene/styrene copolymer (Soloprene 416). .sup.5 Ethylene-vinyl acetate copolymer (25% VA).
TABLE II __________________________________________________________________________ Dendrite Modulus Elongation Thermoplastic Filler El. Resist. Resist. (psi × 10.sup.-3) (%) Rubber TiO.sub.2 Modifier.sup.1 (ohm-cm) (min/mil) Blank KOH Blank KOH __________________________________________________________________________ 35 (SE-BS) 55 10 47 22 6 33 590 30 35 (SE-BS-1) 55 10 26 19 -- -- -- -- 40 (SE-BS-1) 50 10 36 36 4 60 375 22 __________________________________________________________________________ .sup.1 Contains 0.5 percent Irganox 1010 antioxidant.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/127,172 US4285751A (en) | 1979-05-10 | 1980-02-29 | Method of forming an improved battery separator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/038,007 US4224393A (en) | 1979-05-10 | 1979-05-10 | Battery separator |
US06/127,172 US4285751A (en) | 1979-05-10 | 1980-02-29 | Method of forming an improved battery separator |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/038,007 Division US4224393A (en) | 1979-05-10 | 1979-05-10 | Battery separator |
Publications (1)
Publication Number | Publication Date |
---|---|
US4285751A true US4285751A (en) | 1981-08-25 |
Family
ID=26714705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/127,172 Expired - Lifetime US4285751A (en) | 1979-05-10 | 1980-02-29 | Method of forming an improved battery separator |
Country Status (1)
Country | Link |
---|---|
US (1) | US4285751A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587307A (en) * | 1983-10-06 | 1986-05-06 | Basf Aktiengesellschaft | Quality of isobutene polymers in reactions with maleic anhydride |
US4699857A (en) * | 1986-10-15 | 1987-10-13 | W. R. Grace & Co. | Battery separator |
EP0350487A4 (en) * | 1987-03-13 | 1989-11-14 | Ppg Industries Inc | Gas recombinant separator. |
US4925161A (en) * | 1984-12-21 | 1990-05-15 | Allan Peter S | Process for molding directionally-orientatable material using shear force |
US5009971A (en) * | 1987-03-13 | 1991-04-23 | Ppg Industries, Inc. | Gas recombinant separator |
US5059368A (en) * | 1984-12-21 | 1991-10-22 | National Research Development Corporation | Method for molding a material containing alignable constituents |
US5156858A (en) * | 1984-12-21 | 1992-10-20 | National Research Development Corporation | Apparatus for controlling the molding of a solid product in a mold cavity from molten material which is repeatedly moved within the mold cavity |
US5438103A (en) * | 1994-03-23 | 1995-08-01 | Phillips Petroleum Company | Block copolymers of monovinylaromatic and conjugated diene monomers |
US5494426A (en) * | 1992-05-11 | 1996-02-27 | Thermold Partners L.P. | Vibrating wall surfaces for molding deformable materials |
US5998505A (en) * | 1996-11-27 | 1999-12-07 | Eastman Chemical Company | Thermoplastic elastomeric compositions and films formed therefrom having improved moisture vapor transmission rates |
US20050260499A1 (en) * | 2004-05-21 | 2005-11-24 | Schubert Mark A | Thermoplastic separator for alkaline electrochemical cells and processes for the production thereof |
KR100824851B1 (en) | 2006-10-27 | 2008-04-23 | 삼성에스디아이 주식회사 | Electrode assembly and rechargeable battery with the same |
US10586965B2 (en) | 2014-11-05 | 2020-03-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
US10829600B2 (en) | 2014-11-05 | 2020-11-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
US11021584B2 (en) | 2014-08-21 | 2021-06-01 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161547A (en) * | 1963-07-05 | 1964-12-15 | Monsanto Co | Resin treated flexible battery separators |
US3351495A (en) * | 1966-11-22 | 1967-11-07 | Grace W R & Co | Battery separator |
US3585081A (en) * | 1968-09-16 | 1971-06-15 | Alfred Harris Mirman | Battery separator |
US3875270A (en) * | 1973-06-25 | 1975-04-01 | Ethyl Corp | Process of preparing battery separators |
US3931094A (en) * | 1973-07-02 | 1976-01-06 | Allied Chemical Corporation | Filled thermoplastic containing fibrous dispersion aid |
US3967978A (en) * | 1973-03-30 | 1976-07-06 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Resin sheet having porous layered structure useful as electrode separator for electric cells |
US4085241A (en) * | 1976-09-07 | 1978-04-18 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Inorganic-organic separators for alkaline batteries |
US4190689A (en) * | 1978-02-17 | 1980-02-26 | Toray Industries, Inc. | Polymeric-shaped article |
-
1980
- 1980-02-29 US US06/127,172 patent/US4285751A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161547A (en) * | 1963-07-05 | 1964-12-15 | Monsanto Co | Resin treated flexible battery separators |
US3351495A (en) * | 1966-11-22 | 1967-11-07 | Grace W R & Co | Battery separator |
US3585081A (en) * | 1968-09-16 | 1971-06-15 | Alfred Harris Mirman | Battery separator |
US3967978A (en) * | 1973-03-30 | 1976-07-06 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Resin sheet having porous layered structure useful as electrode separator for electric cells |
US3875270A (en) * | 1973-06-25 | 1975-04-01 | Ethyl Corp | Process of preparing battery separators |
US3931094A (en) * | 1973-07-02 | 1976-01-06 | Allied Chemical Corporation | Filled thermoplastic containing fibrous dispersion aid |
US4085241A (en) * | 1976-09-07 | 1978-04-18 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Inorganic-organic separators for alkaline batteries |
US4190689A (en) * | 1978-02-17 | 1980-02-26 | Toray Industries, Inc. | Polymeric-shaped article |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587307A (en) * | 1983-10-06 | 1986-05-06 | Basf Aktiengesellschaft | Quality of isobutene polymers in reactions with maleic anhydride |
US4925161A (en) * | 1984-12-21 | 1990-05-15 | Allan Peter S | Process for molding directionally-orientatable material using shear force |
US5059368A (en) * | 1984-12-21 | 1991-10-22 | National Research Development Corporation | Method for molding a material containing alignable constituents |
US5156858A (en) * | 1984-12-21 | 1992-10-20 | National Research Development Corporation | Apparatus for controlling the molding of a solid product in a mold cavity from molten material which is repeatedly moved within the mold cavity |
US5160466A (en) * | 1984-12-21 | 1992-11-03 | National Research Development Corporation | Method for molding a material |
US4699857A (en) * | 1986-10-15 | 1987-10-13 | W. R. Grace & Co. | Battery separator |
EP0350487A4 (en) * | 1987-03-13 | 1989-11-14 | Ppg Industries Inc | Gas recombinant separator. |
EP0350487A1 (en) * | 1987-03-13 | 1990-01-17 | Ppg Industries Inc | Gas recombinant separator. |
US5009971A (en) * | 1987-03-13 | 1991-04-23 | Ppg Industries, Inc. | Gas recombinant separator |
US5494426A (en) * | 1992-05-11 | 1996-02-27 | Thermold Partners L.P. | Vibrating wall surfaces for molding deformable materials |
US5650104A (en) * | 1992-05-11 | 1997-07-22 | Thermold Partners L.P. | Molding deformable materials with use of vibrating wall surfaces |
US5438103A (en) * | 1994-03-23 | 1995-08-01 | Phillips Petroleum Company | Block copolymers of monovinylaromatic and conjugated diene monomers |
US5998505A (en) * | 1996-11-27 | 1999-12-07 | Eastman Chemical Company | Thermoplastic elastomeric compositions and films formed therefrom having improved moisture vapor transmission rates |
US20050260499A1 (en) * | 2004-05-21 | 2005-11-24 | Schubert Mark A | Thermoplastic separator for alkaline electrochemical cells and processes for the production thereof |
US7563544B2 (en) | 2004-05-21 | 2009-07-21 | Eveready Battery Company, Inc. | Thermoplastic separator for alkaline electrochemical cells and processes for the production thereof |
KR100824851B1 (en) | 2006-10-27 | 2008-04-23 | 삼성에스디아이 주식회사 | Electrode assembly and rechargeable battery with the same |
US20080102361A1 (en) * | 2006-10-27 | 2008-05-01 | Samsung Sdi Co., Ltd. | Electrode assembly and secondary battery with the same |
US8349482B2 (en) | 2006-10-27 | 2013-01-08 | Samsung Sdi Co., Ltd. | Electrode assembly and secondary battery with the same |
US11021584B2 (en) | 2014-08-21 | 2021-06-01 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
US10586965B2 (en) | 2014-11-05 | 2020-03-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
US10829600B2 (en) | 2014-11-05 | 2020-11-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: W.R. GRACE & CO.-CONN. Free format text: MERGER;ASSIGNORS:W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO);GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO);REEL/FRAME:004937/0001 Effective date: 19880525 |
|
AS | Assignment |
Owner name: POLYPORE GROUP, INC., NORTH CAROLINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:W.R. GRACE & CO.-CONN.;REEL/FRAME:007215/0270 Effective date: 19941118 |
|
AS | Assignment |
Owner name: DARAMIC, INC., SOUTH CAROLINA Free format text: CHANGE OF NAME;ASSIGNOR:POLYPORE GROUP, INC.;REEL/FRAME:007244/0435 Effective date: 19941118 |
|
AS | Assignment |
Owner name: CHASE MANHATTAN BANK, N.A., THE A DE CORP., NEW Y Free format text: SECURITY INTEREST;ASSIGNOR:POLYPORE GROUP, INC.;REEL/FRAME:007434/0297 Effective date: 19941118 |